Binding element for manufacturing a binding file, whereby this binding element is a semi-finished product out of which the binding file can be made, and whereby this binding element is a flat binding element consisting of a support which is formed of a central strip and two plates on either side of the strip, which support is provided with a covering provided over or around the support and which is provided with hotmelt glue on the outside extending on the outside surface on one side of the binding element and on the edges of the opposite side thereof.